rails/rails — pull request #4875 by sikachu (2012-02-03 23:13:25+00:00)
Title: Add *_url helpers to get the full assets URL

Adds `image_url`, `javascript_url`, `stylesheet_url`, `audio_url`, `video_url`, and `font_url` to assets tag helper. These URL helpers will return the full path to your assets. This is useful when you are going to reference this asset from external host.